mixin: Add eos notification #796

Job	Run time
LP64-WIP	3m 46s
manifest-check	54s
build-windows (ptl)	6m 36s
build-windows (imx8 imx8x imx8m imx8ulp)	10m 47s
build-windows (tgl tgl-h)	8m 9s
build-windows (mtl lnl)	8m 25s
build-linux (mnfst, imx8 imx8x imx8m imx8ulp)	6m 24s
build-windows (-d, lnl)	6m 39s
build-linux (zmain, tgl tgl-h)	5m 31s
build-linux (zmain, imx8 imx8x imx8m imx8ulp)	6m 20s
build-linux (mnfst, mtl lnl)	5m 33s
build-linux (zmain, mtl lnl)	5m 31s
build-linux (mnfst, tgl tgl-h)	5m 51s
build-linux (-d, mnfst, lnl)	4m 13s
build-linux (mnfst, --all)	15m 55s
build-linux (mnfst, ptl)	4m 44s
build-linux (zmain, ptl)	4m 23s
compare-linux-win	29s
	1h 50m 10s

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